rs.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2.107.184.94	43200s	2-107-184-94-static.dk.customer.tdc.net	AS3292	TDC Holding A/S	2.104.0.0/14	🇩🇰 Denmark	Albertslund

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca21::e 2a01:111:f403:ca48::c 52.101.103.36 52.101.73.153 52.101.73.8 52.101.91.153	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 105ms

TXT Record
MS=ms98881770
v=spf1 include:hotmail.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rs.dk)
-all (hard fail)	v=spf1 include:hotmail.com include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC94ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026083001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

26ms

MX

33ms

AAAA

30ms

TXT

105ms

CAA

22ms

HTTPS

22ms

TLSA

299ms

SOA

0ms

MTA-STS

35ms

DNSSEC

94ms

SRV

32ms

Total

737ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 14:11:12	737ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 09:27:57	1134ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 03:13:01	1472ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 09:00:43	17073ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 03:34:54	7786ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 00:28:25	743ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 02:25:45	658ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 14:55:24	1214ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 18:02:06	748ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:57:50	848ms	2 NS 1 A 1 MX	🔒 Secure	View